123 lines
3.0 KiB
C
123 lines
3.0 KiB
C
/*
|
|
* Copyright (c) 1994 Christos Zoulas
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 4. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
|
|
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
static char *rcsid = "$NetBSD: stringlist.c,v 1.2 1997/01/17 07:26:20 lukem Exp $";
|
|
#endif /* LIBC_SCCS and not lint */
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include "namespace.h"
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <err.h>
|
|
#include <stdlib.h>
|
|
#include <stringlist.h>
|
|
#include "un-namespace.h"
|
|
|
|
#define _SL_CHUNKSIZE 20
|
|
|
|
/*
|
|
* sl_init(): Initialize a string list
|
|
*/
|
|
StringList *
|
|
sl_init()
|
|
{
|
|
StringList *sl;
|
|
|
|
sl = malloc(sizeof(StringList));
|
|
if (sl == NULL)
|
|
_err(1, "stringlist: %m");
|
|
|
|
sl->sl_cur = 0;
|
|
sl->sl_max = _SL_CHUNKSIZE;
|
|
sl->sl_str = malloc(sl->sl_max * sizeof(char *));
|
|
if (sl->sl_str == NULL)
|
|
_err(1, "stringlist: %m");
|
|
return sl;
|
|
}
|
|
|
|
|
|
/*
|
|
* sl_add(): Add an item to the string list
|
|
*/
|
|
int
|
|
sl_add(sl, name)
|
|
StringList *sl;
|
|
char *name;
|
|
{
|
|
if (sl->sl_cur == sl->sl_max - 1) {
|
|
sl->sl_max += _SL_CHUNKSIZE;
|
|
sl->sl_str = reallocf(sl->sl_str, sl->sl_max * sizeof(char *));
|
|
if (sl->sl_str == NULL)
|
|
return (-1);
|
|
}
|
|
sl->sl_str[sl->sl_cur++] = name;
|
|
return (0);
|
|
}
|
|
|
|
|
|
/*
|
|
* sl_free(): Free a stringlist
|
|
*/
|
|
void
|
|
sl_free(sl, all)
|
|
StringList *sl;
|
|
int all;
|
|
{
|
|
size_t i;
|
|
|
|
if (sl == NULL)
|
|
return;
|
|
if (sl->sl_str) {
|
|
if (all)
|
|
for (i = 0; i < sl->sl_cur; i++)
|
|
free(sl->sl_str[i]);
|
|
free(sl->sl_str);
|
|
}
|
|
free(sl);
|
|
}
|
|
|
|
|
|
/*
|
|
* sl_find(): Find a name in the string list
|
|
*/
|
|
char *
|
|
sl_find(sl, name)
|
|
StringList *sl;
|
|
char *name;
|
|
{
|
|
size_t i;
|
|
|
|
for (i = 0; i < sl->sl_cur; i++)
|
|
if (strcmp(sl->sl_str[i], name) == 0)
|
|
return sl->sl_str[i];
|
|
|
|
return NULL;
|
|
}
|